celinesitto celinesitto

25-11-2015
Mathematics

contestada

the path of firework is modelled using the equation h= -5d2+20d+1 what is the maximun height?

Respuesta :

Since3122015 Since3122015

25-11-2015

[tex]h=-5d^2+20d+1\\h'=-10d^2+20d=0\\-10d(d-2)=0\\d=0,2\\\\h=-5(2)^2+20(2)+1\\h=-5(4)+40+1\\h=-20+41\\h=21[/tex]

21 units

Answer Link

Otras preguntas

The fall of Constantinople led to the breakup of

Percentage analyses, ratios, turnovers, and other measures of financial position and operating results are select one: a. a substitute for sound judgment. b. us

What makes Thucydides' job as a scholar of history more challenging?

A kite flying in the air has an 11 - ft line attached to it. Its line is pulled taut and casts an 8 - ft shadow. Find the height of the kite. If necessary, roun

I’m on my homework and I can’t figure out the answer

Margo spends 0.25 of her paycheck on a new dress, 1/8 of her paycheck on shoes, and $24 on a birthday present. If she spent $60 altogether, how much was Margo’s

Search for availability and pricing for a room for 2 adults and 2 kids (5 and 6 years old) for 4 nights in Madrid, Spain in about 3 months from today. Once you

I need help with this

In b2c sales the salesperson does not spend a great deal of their time:

Basso includes in his song "chords" a few seconds of dante's copyrighted sound recording "etudes" without permission. some federal courts have found that such d